Abstract
Our paper presents detailed evolutionary analyses of narcissus viruses from wild and domesticated Narcissus plants in Japan. Narcissus late season yellows virus (NLSYV) and narcissus degeneration virus (NDV) are major viruses of Narcissus plants, causing serious disease outbreaks in Japan. In this study, we collected Narcissus plants showing mosaic or striped leaves along with asymptomatic plants in Japan for evolutionary analyses. Our findings show that (1) NLSYV is widely distributed, whereas the distribution of NDV is limited to the southwest parts of Japan; (2) the genomes of NLSYV isolates share nucleotide identities of around 82%, whereas those of NDV isolates are around 94%; (3) three novel recombination type patterns were found in NLSYV; (4) NLSYV comprises at least five distinct phylogenetic groups whereas NDV has two; and (5) infection with narcissus viruses often occur as co-infection with different viruses, different isolates of the same virus, and in the presence of quasispecies (mutant clouds) of the same virus in nature. Therefore, the wild and domesticated Narcissus plants in Japan are somewhat like a melting pot of potyviruses and other viruses.
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Claims 8
Claim · model-written summary
NLSYV was widely distributed in sampled Narcissus plants.
NarcissusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NLSYV is widely distributed”
t0“Narcissus Plants”
Claim · model-written summary
NDV distribution was limited to southwestern Japan.
- Interactor
- NDVavian paramyxovirus 1e0pathogen
- Outcome
- distribution of NDVe0
- Setting
- southwest parts of Japane0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the distribution of NDV is limited to the southwest parts of Japan”
t0“Narcissus Plants”
Claim · model-written summary
NLSYV isolate genomes had around 82% nucleotide identity.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the genomes of NLSYV isolates share nucleotide identities of around 82%”
t0“Narcissus Plants”
Claim · model-written summary
NDV isolate genomes had around 94% nucleotide identity.
- Interactor
- NDVavian paramyxovirus 1e0pathogen
- Outcome
- NDV isolatese0
- Value
- around 94%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“those of NDV isolates are around 94%”
t0“Narcissus Plants”
Claim · model-written summary
Three novel recombination patterns were found in NLSYV.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“three novel recombination type patterns were found in NLSYV”
t0“Narcissus Plants”
Claim · model-written summary
NLSYV comprised at least five phylogenetic groups.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NLSYV comprises at least five distinct phylogenetic groups”
t0“Narcissus Plants”
Claim · model-written summary
NDV comprised two phylogenetic groups.
- Interactor
- NDVavian paramyxovirus 1e0pathogen
- Outcome
- NDVe0
- Value
- twoe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NDV has two”
t0“Narcissus Plants”
Claim · model-written summary
Narcissus virus infection often involved coinfection by different viruses and isolates and quasispecies.
- Interactor
- narcissus virusese0pathogen
- Outcome
- co-infection with different viruses, different isolates of the same virus, and in the presence of quasispecies (mutant clouds)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“infection with narcissus viruses often occur as co-infection with different viruses, different isolates of the same virus, and in the presence of quasispecies (mutant clouds) of the same virus in nature”
t0“Narcissus Plants”